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IBM Unveils Chip Prototypes That Mimic Human Brain

IBM says the prototype "cognitive computing" chips are designed to act like a brain-to quickly collect and analyze information, make decisions based on the findings and learn from its mistakes.

IBM researchers have created prototype computing chips that mirror the human brain, enabling them to not only collect and analyze information, but essentially learn from their mistakes, understand the data they're seeing and react accordingly.

The "cognitive computing" chips are able to recognize patterns and make predictions based on data, learn through experiences, find correlations among the information and remember outcomes, according to IBM officials.

The chips represent a significant departure from how computers are traditionally programmed and operated, and open opportunities in a wide range of fields, they said.

"Future applications of computing will increasingly demand functionality that is not efficiently delivered by the traditional architecture," Dharmendra Modha, project leader for IBM Research, said in a statement. "These chips are another significant step in the evolution of computers from calculators to learning systems, signaling the beginning of a new generation of computers and their applications in business, science and government."

Further reading

IBM has been pushing efforts to drive more intelligence into an increasingly wider range of devices, and to create ways to more quickly and intelligently collect, analyze, process and respond to data. Those efforts were on public display in January when IBM's "Watson" supercomputer beat human contestants on the game show "Jeopardy."

Watson, like many projects at IBM Research Labs, is focused on analytics, or the ability to process and analyze data to arrive at the most optimal decision. Watson was a revelation because of its ability to think in a humanlike fashion and answer questions posed in natural language-with puns, riddles and nuances, etc.-by quickly running through its vast database of information, making the necessary connections and returning not with a list of possible correct answers, but the correct answer itself.

The cognitive computing chips echo those efforts. IBM officials are calling the prototypes the company's first neurosynaptic computing chips, which they said work in a fashion similar to the brain's neurons and synapses. It's done through advanced algorithms and silicon circuitry, they said.

It's through this mimicking of the brain's functionality that the chips are expected to understand, learn, predict and find correlations, according to IBM. Digital silicon circuits create what IBM is calling the chips' neurosynaptic cores, which include integrated memory (replicating synapses), computation (replicating neurons) and communication (replicating axons).

With those capabilities, computing can move away from the current if-then programming scenario and toward one where computers dynamically react, learn and problem-solve on the go.

The two working prototypes offer 45-nanometer SOI-CMOS cores that contain 256 neurons. One core contains 262,144 programmable synapses while the other holds 65,536 learning synapses. The chips are undergoing testing and have worked with simple applications such as navigation, machine vision, pattern recognition, associative memory and classification.

The effort is getting $21 million in new funding through DARPA (the Defense Advanced Research Projects Agency) for phase 2 of what IBM is calling the SyNAPSE (Systems of Neuromorphic Adaptive Plastic Scalable Electronics) project. The project's goal is to create a computing system that not only collects and analyzes complex information gathered simultaneously from multiple sensors, but can dynamically rewire itself as it goes, and to do this in a compact, energy-efficient form factor.

IBM officials see countless applications for cognitive computing systems. In one, such a system that is used to monitor the world's water supply-collecting and analyzing such data as temperature, pressure, wave height, acoustics and ocean tides-could determine the threat of a tsunami and decide to issue a warning based on its findings. Another cognitive system could monitor sights, smells, texture and temperatures to warn grocers of bad or contaminated produce.

"Imagine traffic lights that can integrate sights, sounds and smells and flag unsafe intersections before disaster happens or imagine cognitive coprocessors that turn servers, laptops, tablets and phones into machines that can interact better with their environments," IBM's Modha said.